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Subject: [Bug 207786] gpioiic_callback() dereferences IIC "how" argument
 incorrectly
Date: Sun, 10 Apr 2016 23:17:34 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207786

--- Comment #3 from commit-hook@freebsd.org ---
A commit references this bug:

Author: gonzo
Date: Sun Apr 10 23:17:06 UTC 2016
New revision: 297794
URL: https://svnweb.freebsd.org/changeset/base/297794

Log:
  Fix IIC "how" argument dereferencing on big-endian platforms

  "how" argument is passed as value of int* pointer to callback
  function but dereferenced as char* so only one byte taken into
  into account. On little-endian systems it happens to work because
  first byte is LSB that contains actual value, on big-endian it's
  MSB and in this case it's always equal zero

  PR:           207786
  Submitted by: chadf@triularity.org

Changes:
  head/sys/dev/gpio/gpioiic.c

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